Excess Body Fat Can Rob You Of Vitamin D | PaleoPharm - Paleo Diet

Jun 2, 2013

If you?re overweight, you can literally starve yourself of vitamin D even though your intake of the vitamin falls with current recommended guidelines.

The reason: obesity decreases the bioavailability of vitamin D3 from skin and foods because the vitamin is sequestered in body fat compartments and therefore is prevented from getting to the tissues where it is needed to perform its many functions.

In 2000, scientists discovered that overweight and obese people could exhibit signs and symptoms of vitamin D deficiency despite eating a diet with sufficient levels of the vitamin. Subsequent studies suggest that the more excess body fat you carry, the greater your risk of vitamin D deficiency and the health conditions it helps prevent. In addition to preventing hearing loss, adequate intake and bioavailability of vitamin D is essential to protect against such serious health conditions as arthritis, cancer, diabetes, heart disease, high blood pressure, multiple sclerosis, and osteoporosis.

Researchers found that obese subjects had significantly lower blood levels of vitamin D than did age-matched control subjects. In general, the higher a subject?s BMI, the lower was their serum vitamin D3 concentration and peak serum vitamin D concentrations after taking supplemental vitamin D.

This study found that the association between high BMI and low Vitamin D was consistent across a number of populations. For each 10% increase in BMI there was a 4.2% drop in vitamin D levels. This suggests that the association between vitamin D levels and BMI is likely due to a Vitamin D lowering effect caused by a high BMI.

Obesity and Low Vitamin D Linked to Diabetes Risk

It is now generally accepted that obesity, by causing low levels of vitamin D in the body, can raise the risk of type II diabetes. One study found that people who are both obese and vitamin D deficient are at greater risk of insulin resistance than if they have either factor alone.

Obesity combined with a vitamin D deficiency (which can be caused by obesity) increases the risk of developing insulin resistance significantly more than obesity or vitamin D deficiency alone. Shockingly, obese study subjects with healthy levels of vitamin D in their blood were nearly 20 times more likely to suffer from insulin resistance, compared to non-obese people, and were 32 times more likely to suffer from insulin resistance when combined with low levels of vitamin D in the blood.

? Disclaimer: This is my informed opinion. I could be wrong. What do you think?

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Source: https://www.paleopharm.com/excess-body-fat-can-rob-you-of-vitamin-d/

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